During the period of 1919-1925, Frank Lloyd Wright worked on five houses and a kindergarten in the metropolitan Los Angeles area using concrete blocks as the main building material. These have variously been described as being 'uniquely molded', 'woven like textile fabric' and it was perceived as a [...]

Without the support of airlift, the modern American military machine would be brought to a standstill. Since World War II--beginning with the Cold War and continuing up to the present day--the U.S. armed forces have come increasingly to rely upon airlift for mobility. The power to move and thereafte[...]